Home / 50,378.04-75,517.74-18,764.91

Finding the Fourth Proportional to 50,378.04, 75,517.74 and 18,764.91

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Solution

The fourth proportional to 50,378.04, 75,517.74 and 18,764.91 is: 28,128.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,378.04 : 75,517.74 = 18,764.91 : x
  2. Step 2: Convert to fraction form
    50,378.04/75,517.74 = 18,764.91/x
  3. Step 3: Cross multiply
    50,378.04x = 75,517.74 × 18,764.91
  4. Step 4: Simplify right side
    50,378.04x = 1,417,083,594.50
  5. Step 5: Solve for x
    x = 1,417,083,594.50/50,378.04
  6. Step 6: Final answer
    x = 28,128.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.